10 Bit analog to digital converter

Description: Study the Analog to Digital capabilities of Atmel ATtiny26. This tiny but mighty IC is really a miracle. One special thing is the internal 10-inputs multiplexed ADC circuit which can convert analog voltages to bytes. This check circuit uses only 3 inputs. Of course, you can make changes to use more inputs. I used the AVRISP in-circuit programmer to program the chip. You can see the connector for this purpose. The 10uH micro coil is for improving the voltage stability at the ADC section. It is not really needed for 8-bit resolution. Apply a stabilized voltage of 5 Volts DC.

The Atmel ATtiny26 microcontroller features an integrated 10-channel multiplexed Analog-to-Digital Converter (ADC), which is capable of converting analog input voltages into digital values suitable for processing. This conversion is essential for applications that require interfacing with analog sensors, such as temperature sensors or light sensors. The ADC operates with a resolution of 8 bits, providing 256 discrete levels of output, which is sufficient for many low-resolution applications.

The ADC can be configured to utilize up to 10 different input channels, although in the described application, only three channels are utilized. This flexibility allows for a range of analog inputs to be processed, making the ATtiny26 versatile in various applications. Users have the option to modify the circuit to accommodate additional channels as needed, depending on the specific requirements of their project.

The AVRISP in-circuit programmer is employed to program the ATtiny26, allowing for easy updates and modifications to the firmware without the need to remove the chip from the circuit. The programming connector is an integral part of the design, ensuring that the microcontroller can be easily accessed for programming purposes.

To enhance the stability of the voltage at the ADC section, a 10 microhenry (10uH) inductor is included in the circuit. While this component is not strictly necessary for achieving 8-bit resolution, it can help reduce noise and improve the stability of the ADC readings, particularly in environments where power supply fluctuations may occur. The circuit is designed to operate with a stabilized DC voltage of 5 volts, which is the typical operating voltage for the ATtiny26, ensuring reliable performance of the ADC and overall microcontroller operation.Study the Analog to Digital capabilities of Atmel ATtiny26. This tiny but mighty IC is really a miracle. One special thing is the internal 10-inputs multiplexed ADC circuit which can covert analog voltages to bytes. This check circuit uses only 3 inputs. Of course you can may changes to use more inputs. I used the AVRISP in-circuit programmer to program the chip. You can see the connector for this purpose. The 10uH micro coil is for improving the voltage stability at the ADC section. It is not really needed for 8-bit resolution. Apply a stabilized voltage of 5Volts dc.